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secondary 4 | E Maths
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I don’t know how to calculate standard deviation for this type of qn please help thanks
Date Posted: 1 year ago
Views: 304
See 1 Answer
Use a calculator
For fx-97SG X
Press the following buttons:
Menu
Option 3
Option 1
Fill in the x column with all values
Hit OPTN
Option 3
On the fifth row is your std dev
For working out by hand use
Formula
Subtract the square of the average of the numbers from the average of the square of the numbers. Then take the results' square root. ( refer to formula sheet)
For fx-97SG X
Press the following buttons:
Menu
Option 3
Option 1
Fill in the x column with all values
Hit OPTN
Option 3
On the fifth row is your std dev
For working out by hand use
Formula
Subtract the square of the average of the numbers from the average of the square of the numbers. Then take the results' square root. ( refer to formula sheet)
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